Open Source MCP Servers for Reliable Excel/PDF Parsing in Agents
wesseltl · reddit · 2026-08-09
To solve the problem of AI agents falling apart when processing real-world messy data (like collapsed columns in Excel or flattened tables in PDFs), a developer open-sourced a set of Python and Pandas-based MCP servers.
The core philosophy is "model decides, code executes": the LLM decides what data it wants, but deterministic Python code actually reads it, preventing the model from quietly corrupting the data.
The suite includes:
- excel-agent-mcp: Auto-detects headers and handles merged cells across multiple sheets.
- pdf-agent-mcp: Extracts text and tables from PDFs into clean rows.
- agentic-csv-cleaner: Cleans messy CSVs where the LLM only picks the cleaning steps.
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